also: にっぽんしゅわ
noun
Japanese Sign Language; JSL
Refers to the sign language used by the Deaf community in Japan. Distinct from Signed Japanese (日本語対応手話) which follows spoken Japanese grammar.
彼女は日本手話の通訳者です。
She is an interpreter for Japanese Sign Language.
日本手話には独自の文法があります。
Japanese Sign Language has its own grammar.
Signed Japanese follows spoken Japanese word order and grammar, while 日本手話 is a natural language with its own grammar.
Compound of 日本 (Japan) and 手話 (sign language).